Nathan LaPre 982410361d Bug 1732280 - Implement mappings for sub, sup elements and subscript, superscript roles, r=Jamie
This commit adds mappings for HTML sub and sup elements, as well as ARIA
role mappings for subscript, superscript roles, with the goal of properly
exposing this information to the accessibility tree. This commit also updates
text attribute code to account for the attributes implied by those roles.
Finally, this commit updates tests to verify that the role and attribute
information is working properly.

Differential Revision: https://phabricator.services.mozilla.com/D155523
2022-08-31 16:48:56 +00:00

An explanation of the Firefox Source Code Directory Structure and links to
project pages with documentation can be found at:

    https://firefox-source-docs.mozilla.org/contributing/directory_structure.html

For information on how to build Firefox from the source code and create the patch see:

    https://firefox-source-docs.mozilla.org/contributing/contribution_quickref.html

If you have a question about developing Firefox, and can't find the solution
on https://firefox-source-docs.mozilla.org/, you can try asking your question on Matrix at chat.mozilla.org in `Introduction` (https://chat.mozilla.org/#/room/#introduction:mozilla.org) channel.


Nightly development builds can be downloaded from:

    https://archive.mozilla.org/pub/firefox/nightly/latest-mozilla-central/
            - or -
    https://www.mozilla.org/firefox/channel/desktop/#nightly

Keep in mind that nightly builds, which are used by Firefox developers for
testing, may be buggy.
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Read-only Git mirror of the Mercurial gecko repositories at https://hg.mozilla.org. How to contribute: https://firefox-source-docs.mozilla.org/contributing/contribution_quickref.html
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